修复图集的问题

src/assets-manager/index.ts

@@ -213,7 +213,7 @@ export function loadSheet(url, uuid?, cache = true, config?): Promise<Sheet> {
  */
 export async function loadSheetDisperse(url, uuid?, cache = true, config?): Promise<Sheet> {
 	for(let {name, uuid} of config.textures){
-		let subUrl = url.replace('-disperse', '') + '/' + name.replace('_', '/') + '.png';
+		let subUrl = url.replace('-disperse', '') + '/' + name + '.png';
 		await loadTexture(subUrl, uuid);
 	}